daub/dɑːb/名词(粘稠液体的)污迹a daub of red paint一片红色油漆污迹/dɑːb/动词(随意)涂抹,乱涂,乱抹The walls had been daubed with graffiti.墙上被人画满了涂鸦。想跟读,去练习